# Answer to Question #74140 in Electric Circuits for Emmanuel Cardano

Question #74140

The IR drop across resistor means there is a change in potential or voltage across the resistor. Is there any change in current as it passes through a resistor. Explain

Expert's answer

IR drop across resistor means there is a change in potential or voltage across the resistor due to current flowing through the resistor. According to Ohm’s law,

V = RI

Where, V= voltage across the resistor

R = resistance

I = current

Now, we know R is constant. And for a particular resistance, current depends on applied voltage. So, when current passes through a resistor, no change in current seen unless we change the resistance.

Answer: No change in current.

V = RI

Where, V= voltage across the resistor

R = resistance

I = current

Now, we know R is constant. And for a particular resistance, current depends on applied voltage. So, when current passes through a resistor, no change in current seen unless we change the resistance.

Answer: No change in current.

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